<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			.p1 {
				display: inline-grid;
				grid-template-columns: auto auto auto;
			}
			
			.p2 {
				padding: 20px;
				margin: 10px;
				background-color: #ccc;
			}
			.p3{
				grid-column: 1 / span 2;
			}
			.p4{
				grid-row: 2 / span 2;
			}
		</style>
	</head>
	<body>
		<div class="p1">
			<div class="p2 p3">1</div>
			<div class="p2 p4">2</div>
			<div class="p2">3</div>
			<div class="p2">4</div>
			<div class="p2">5</div>
		</div>
	</body>
</html>